#include "stm32f10x.h"                  // Device header
#include "Delay.h"
#include "OLED.h"
//#include "OLED_Font.h"
//4-1 修改主频
int main(void){
	OLED_Init();
	
	OLED_ShowString(1,1,"SYSCLK:");
	OLED_ShowNum(1,8,SystemCoreClock,8);
	
	while(1){
		//表示当前代码运行的速度,72MHz时周期是1s，修改为36MHz时周期是2s
		OLED_ShowString(2,1,"Running:");
		Delay_ms(500);
		OLED_ShowString(2,1,"        ");
		Delay_ms(500);
	}
}
